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Operation
1
Initial situation
3
➭
Push the right-hand control gate to the right.
5
➭
Remove the operating lever for the READY-TO-EARTH function.
The interrogation lever and the right-hand control gate return to their
initial position.
170/214
De-earthing the busbar section in the left-hand panel
Revision 11 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DA10 • 861-9601.9
2
➭
Open the circuit-breaker to de-earth the busbar section in the left-
hand panel.
4
➭
Switch the right-hand three-position disconnector to OPEN position
(insert the operating lever for the READY-TO-EARTH function and turn
180° counter-clockwise).
6
➭
Push the interrogation lever downwards.
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